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# OpenWrt Package for xl2tpd |
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xl2tpd is a development from the original l2tpd package originally written by |
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Mark Spencer, subsequently forked by Scott Balmos and David Stipp, inherited |
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by Jeff McAdams, modified substantially by Jacco de Leeuw and then forked |
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again by Xelerance (after it was abandoned by l2tpd.org). |
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## Rationale for inclusion in OpenWrt |
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l2tpd has some serious alignment problems on RISC platforms. It also runs |
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purely in userspace. |
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Some of the features added in this fork include: |
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1. IPSec SA reference tracking inconjunction with openswan's IPSec transport |
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mode, which adds support for multiple clients behind the same NAT router |
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and multiple clients on the same internal IP behind different NAT routers. |
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2. Support for the pppol2tp kernel mode L2TP. |
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3. Alignment and endian problems resolved. |
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hcg |
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## UCI options |
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`server` takes the form `host[:port]` with port defaults to `1701`. It |
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specifies the l2tp server's address. |
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`checkup_interval` tells netifd to check after that many seconds since last |
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setup attempt to see if the interface is up. If not it should issue another |
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teardown/setup round to retry the negotiation. This option defaults to 0 and |
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netifd will not do the check and retry. |
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The following are generic ppp options and should have the same format and |
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semantics as with other ppp-related protocols. See |
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[uci/network#protocol_ppp](https://wiki.openwrt.org/doc/uci/network#protocol_ppp_ppp_over_modem) |
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for details. |
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username |
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password |
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keepalive |
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ipv6 |
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mtu |
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pppd_options |
Yousong Zhou